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DarkBASIC Discussion / MP3 to MIDI free tools ?

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Newbie5UK
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Posted: 7th Dec 2004 07:20
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Hi,

I want to covert an MP3 fiel to a midi file for use in DB Enhanced... anyone know of a free tool ?

thx
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Azumanga Daioh Fan
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Posted: 7th Dec 2004 07:24
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Don't Think It Can Be Done
You Can Convert Midi To Mp3 Though

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Jake Blues
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Posted: 7th Dec 2004 08:18
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I think there is a program to do it.
I know there is a program to change a wav to midi.
You can record your mp3 to wav then do it.

Do a google search for wav to midi program.

Don't let life get you down, it will only get better.
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BearCDPOLD
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Posted: 7th Dec 2004 13:24
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1. Cut out every individual part in the track.
2. Pick a central base tone, up the frequency up and down the chromatic scale.
3. Store it in a folder structure relating to instrument/instrument type.
4. Repiece together the song.


Very hard to do if even possible.

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BatVink
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Posted: 7th Dec 2004 18:17
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It's just not possible to create a generic tool to convert a complex composite audio file to midi. Think about it...It would have to recognise instruments from wave patterns, know the exact characterisitics in order to extract each instrument, know how to deal with voices and understand interaction between instruments. You would also have to know the acoustic characteristics of the recording, as well as a host of other "featurettes".

At the moment, developers are struggling to craete true instrument synthesis, because no instrument sound can be described mathematically by one statement. The various elements change along the musical scale. So if they can't be truly synthesised, you won't be able to extract them.

I just Googled and found an article that says music recognition accuracy for a single instrument is 60% to 70%.

This is quite a good quote to get your head around the concept...

Quote: "There are 50 musicians on stage...They all start playing a different piece of music at the same time. Do you have any idea how that sounds? It's still only those 50 musicians you liked so much before, but do you think you could make a MIDI file out of it? "


BatVink
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Underworld 1020
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Posted: 7th Dec 2004 20:16
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Dark basic can reconize mp3 files because I've used them with Dark Baisc before. I didn't know that until I tried it just for the hell of it, and it just happened to work.
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Jake Blues
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Posted: 7th Dec 2004 20:19
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Ya. I got patch 1.13 and it would let me use mp3s.
They are bigger than midis, but sound better.

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David R
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Posted: 7th Dec 2004 21:31
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It is not possible to convert MP3 to MIDI:

MP3 files rely upon a 32-bit IZH filestream, which cannot be converted to a non-RAW file. MIDI is not a RAW file format, as it does not store the music, but the instructions required to create it [istruments etc.] whereas MP3 gives commands to the computer on the signal needed to be sent to the speaker. You cannot do this - but you can re-record MIDI's to a RAW file stream [MP3/WAV]

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Jake Blues
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Posted: 18th Dec 2004 12:32
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If you try to convert a wav to a midi, it sounds really weird.
There are programs to do it, but they don't work very well.

So, don't record mp3 into wav, because you cant do anything with it, and it is a bigger file.

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Jack
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Posted: 18th Dec 2004 21:16
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Midi's are "programmed"
Its inpossible to convert .mp3 to .mid
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FoxBlitzz
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Posted: 19th Dec 2004 05:01
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Why would you want to crapitize streaming audio? Truthfully, MIDIs are seriously lacking in power compared to MP3s and other streaming audio. Why are you trying to convert to a MIDI? MP3s can play back just fine in DarkBasic.

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LordAnki
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Posted: 19th Dec 2004 05:17 Edited at: 19th Dec 2004 05:18
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impossible, MIDI sounds are generated by your soundcard. They sound different on every sound card. Most soundcards are SoundBlaster audio by Creative and they have a standard definition of sounds for the card. You cannot make mp3 to midi. But to make midi to mp3 just do a record loop (play the midi and record it to a wav file then convert the wav file to mp3. Also DB Enhanced does allow u to use mp3 files.
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Benjamin
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Posted: 19th Dec 2004 21:12
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Quote: "Why are you trying to convert to a MIDI?"

MIDIs are a fraction of the filesize. Unfortunatly the instrument sounds are also a fraction of the quality with MIDI

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empty
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Posted: 19th Dec 2004 21:14
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Quote: "Unfortunatly the instrument sounds are also a fraction of the quality with MIDI "

That depends on you sound device(s).

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Benjamin
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Posted: 19th Dec 2004 21:55
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Yeah but you can't expect everyone's sound device(s) to have good sounds on.

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empty
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Posted: 19th Dec 2004 21:59
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No, you can't.

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Mark3D
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Posted: 5th Jan 2005 21:00
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try http://www.audioutilities.com/midi-converter/convert-wav-mp3-to-midi.htm but i think u have to pay for it though

and i think this one has a 15 day free trail http://www.mightsoft.com/

this is the google search i did to get them
http://www.google.co.uk/search?hl=en&q=free+audio+mp3+to+midi+converter&meta=

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